Chairman of the Bulgarian Chamber of Mining and Geology
Secretary General of EUMICON
Deputy Minister of Energy of the Republic of Bulgaria
Manager of CLC EIT Raw Materials
Manager of Terragold&Co d.o.o, Belgrade
Geotechmin, Director Geology & Concessions
Rector of the University of Mining and Geology “St. Eve. Rila "
Director of Helmholtz Institute Freiberg for Resource Technology, Germany since 2015